Home / 155,621.80-233,432.70-146,405.80

Finding the Fourth Proportional to 155,621.80, 233,432.70 and 146,405.80

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Solution

The fourth proportional to 155,621.80, 233,432.70 and 146,405.80 is: 219,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,621.80 : 233,432.70 = 146,405.80 : x
  2. Step 2: Convert to fraction form
    155,621.80/233,432.70 = 146,405.80/x
  3. Step 3: Cross multiply
    155,621.80x = 233,432.70 × 146,405.80
  4. Step 4: Simplify right side
    155,621.80x = 34,175,901,189.66
  5. Step 5: Solve for x
    x = 34,175,901,189.66/155,621.80
  6. Step 6: Final answer
    x = 219,608.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.